a[.]exe | Triage

Sharing

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General

Target

a.exe
Size

1.6MB
MD5

7f610d3ae69c5540f047e95bc54ba886
SHA1

411545a5e47f4600f93fe542af3647fe1fd2a566
SHA256

079d244c866c60ebbd5c70696e1abb93fe01cced2ea6dbfb30733ac6801f4761
SHA512

0f37192bfbcb6ccae8e7b4bc80cf410f5458e5f8d15a38e59a5c91087f670ee672a02a94a6b8603594202ecdd3fdbf881f0eea5b326fce6db46885e519110927
SSDEEP

24576:U/IppXxWAeonmFM/pzKV69lFKASLnin8B7etThNImGrHhRBk8NAh+3h3QvrnIw/z:U/o7WAeonmFM/wV67IuU43mHhRjw/ei

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
a.exe

Files

a.exe
.exe windows x86

fd741f117aa1c8c7e0fca77803780232

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

AddAtomA
CloseHandle
CreateEventA
CreateMutexA
CreateSemaphoreA
DeleteCriticalSection
DuplicateHandle
EnterCriticalSection
FindAtomA
GetAtomNameA
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetHandleInformation
GetLastError
GetModuleHandleW
GetProcAddress
GetProcessAffinityMask
GetStartupInfoA
GetSystemTimeAsFileTime
GetThreadContext
GetThreadPriority
GetTickCount
InitializeCriticalSection
InterlockedCompareExchange
InterlockedDecrement
InterlockedExchange
InterlockedExchangeAdd
InterlockedIncrement
IsDBCSLeadByteEx
LeaveCriticalSection
MultiByteToWideChar
QueryPerformanceCounter
ReleaseMutex
ReleaseSemaphore
ResetEvent
ResumeThread
SetEvent
SetLastError
SetProcessAffinityMask
SetThreadContext
SetThreadPriority
SetUnhandledExceptionFilter
Sleep
SuspendThread
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue
TryEnterCriticalSection
UnhandledExceptionFilter
VirtualProtect
VirtualQuery
WaitForMultipleObjects
WaitForSingleObject
WideCharToMultiByte

msvcrt

__dllonexit
__doserrno
__getmainargs
__initenv
__lconv_init
__mb_cur_max
__pioinfo
__set_app_type
__setusermatherr
_acmdln
_amsg_exit
_beginthreadex
_cexit
_endthreadex
_errno
_fdopen
_filelengthi64
_fileno
_fileno
_fmode
_fstat64
_ftime
_initterm
_iob
_lock
_lseeki64
_onexit
_read
_setjmp3
_strnicmp
_unlock
_write
_write
abort
atoi
calloc
exit
fclose
fflush
fgetpos
fopen
fprintf
fputc
fputs
fputwc
fread
free
fsetpos
fwrite
getc
getenv
getwc
isspace
iswctype
localeconv
longjmp
malloc
memchr
memcmp
memmove
printf
putc
putwc
rand
realloc
setlocale
setvbuf
signal
sprintf
srand
strchr
strcmp
strcoll
strerror
strftime
strncmp
strxfrm
time
towlower
towupper
ungetc
ungetwc
vfprintf
wcscoll
wcsftime
wcslen
wcsxfrm

ntdll

RtlGetVersion
_wtoi
memcpy
memset
strlen

user32

MessageBoxA

winhttp

WinHttpCloseHandle
WinHttpConnect
WinHttpOpen
WinHttpOpenRequest
WinHttpQueryAuthSchemes
WinHttpQueryDataAvailable
WinHttpQueryHeaders
WinHttpReadData
WinHttpReceiveResponse
WinHttpSendRequest
WinHttpSetCredentials

Sections

.text
Size: 503KB - Virtual size: 503KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 257KB - Virtual size: 257KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 36KB - Virtual size: 35KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 3KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: 512B - Virtual size: 56B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 32B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

/4
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/19
Size: 124KB - Virtual size: 123KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/31
Size: 20KB - Virtual size: 20KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/45
Size: 28KB - Virtual size: 27KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/57
Size: 10KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/70
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/81
Size: 77KB - Virtual size: 77KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

/92
Size: 4KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

fd741f117aa1c8c7e0fca77803780232

Headers

File Characteristics

Imports

kernel32

msvcrt

ntdll

user32

winhttp

Sections

.text Size: 503KB - Virtual size: 503KB

.data Size: 257KB - Virtual size: 257KB

.rdata Size: 36KB - Virtual size: 35KB

.bss Size: - Virtual size: 3KB

.idata Size: 4KB - Virtual size: 4KB

.CRT Size: 512B - Virtual size: 56B

.tls Size: 512B - Virtual size: 32B

/4 Size: 2KB - Virtual size: 1KB

/19 Size: 124KB - Virtual size: 123KB

/31 Size: 20KB - Virtual size: 20KB

/45 Size: 28KB - Virtual size: 27KB

/57 Size: 10KB - Virtual size: 9KB

/70 Size: 1KB - Virtual size: 1KB

/81 Size: 77KB - Virtual size: 77KB

/92 Size: 4KB - Virtual size: 4KB

.text
Size: 503KB - Virtual size: 503KB

.data
Size: 257KB - Virtual size: 257KB

.rdata
Size: 36KB - Virtual size: 35KB

.bss
Size: - Virtual size: 3KB

.idata
Size: 4KB - Virtual size: 4KB

.CRT
Size: 512B - Virtual size: 56B

.tls
Size: 512B - Virtual size: 32B

/4
Size: 2KB - Virtual size: 1KB

/19
Size: 124KB - Virtual size: 123KB

/31
Size: 20KB - Virtual size: 20KB

/45
Size: 28KB - Virtual size: 27KB

/57
Size: 10KB - Virtual size: 9KB

/70
Size: 1KB - Virtual size: 1KB

/81
Size: 77KB - Virtual size: 77KB

/92
Size: 4KB - Virtual size: 4KB